Michael Bonney, CEO of Cubist Pharmaceuticals, Inc.,
Rings The NASDAQ Stock Market Opening Bell

Wednesday October 25, 2006
at NASDAQ's MarketSite
in New York City.

Cubist Pharmaceuticals, Inc.
[CBST]

Michael Bonney, CEO of Cubist Pharmaceuticals, Inc. (CBST) presides over the opening bell to celebrate its 10-year listing anniversary on the NASDAQ. Cubist Pharmaceuticals is part of The NASDAQ Biotechnology Index.
Cubist Pharmaceuticals, Inc. is a biopharmaceutical company focused on the research, development and commercialization of pharmaceutical products that address unmet medical needs in the acute care environment. In the U.S., Cubist markets CUBICIN(r) (daptomycin for injection), the first antibiotic in a new class of antiinfectives called lipopeptides. The Cubist product pipeline includes our lipopeptide program and our natural products screening program. Cubist is headquartered in Lexington, MA. Additional information can be found at Cubist's web site at www.cubist.com.

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